a person's best friend, typically a girl's best friend (sometimes used facetiously): I really miss my bffs.Cheryl in Customer Service called twice today—she's my new BFF.
one’s close associate, ally, or supporter: the oil lobby and its bff’s in Congress.
Origin of bff
First recorded in 1995-2000; initial letters of best friend/friends forever
Bonus: BFF Billy Crystal, who hosted that year, giving Williams a big bear hug as he exited, trophy in hand, to the wings.
Best Oscar Speeches of All Time: Tom Hanks, Meryl Streep & More|Kevin Fallon|March 2, 2014|DAILY BEAST
Remember when Yair Lapid was an unstoppable political juggernaut, and Naftali Bennett was his BFF?
The Lapid-Bennett Alliance Is Breaking Down|Emily L. Hauser|December 6, 2013|DAILY BEAST
While BFF Decker landed the cover, Teigen was named “rookie of the year,” launching her career as a smoldering centerfold.
Sports Illustrated Swimsuit Model Chrissy Teigen Weds John Legend|Anna Klassen|September 15, 2013|DAILY BEAST
With BFF Cara Delevingne on her side, the celebrity smiled all night with her “Smurf lips,” as The Cut described them.
Is JW Anderson Joining LVMH?; Kim Kardashian Shows Off Her New iPhone 5S in a Selfie|The Fashion Beast Team|September 11, 2013|DAILY BEAST
In her latest stint Ora replaced her BFF and self-proclaimed wifey, Cara Delevingne, as the face of as the face of DKNY.
Chinese First Lady Nabs A Spot on Vanity Fair's International Best Dressed List; Rita Ora Replaces BFF Cara Delevingne as Face of DKNY|The Fashion Beast Team|July 31, 2013|DAILY BEAST